Welcome to our dedicated page for Southwest Gas Ho SEC filings (Ticker: SWX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Rate cases, depreciation tables and Centuri-spin updates—Southwest Gas Holdings’ disclosures can stretch past 300 pages before you reach the numbers that move the stock. If you have ever searched a 10-K for Arizona rate-base decisions or hunted through dozens of Form 4s to see when executives added shares ahead of a commission ruling, you know the challenge.
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Whether you’re understanding Southwest Gas Holdings SEC documents with AI for investment decisions or monitoring Southwest Gas Holdings executive stock transactions Form 4 before the next rate-case decision, Stock Titan provides complete, constantly updated coverage. Our expert analysis translates regulatory jargon into plain English, saving you hours and helping you focus on what matters: allowed returns, infrastructure spending and the Centuri separation timeline.
Carl C. Icahn and affiliated entities reported the sale of 1,500,000 shares of Southwest Gas Holdings, Inc. (SWX) on 09/25/2025 at a price of $77.91 per share. The Form 4 is filed on behalf of Mr. Icahn, Icahn Partners LP and Icahn Partners Master Fund LP, each listed as a director and a 10% owner. The filing states the shares were sold to a market maker pursuant to Section 144(f)(1)(ii) of the Securities Act. After the transactions, the Reporting Persons collectively are shown as beneficially owning 6,032,604 shares indirectly, with Icahn Partners directly owning 3,419,167 shares and Icahn Master directly owning 2,613,437 shares.
Amendment No. 12 to a Schedule 13D relates to the common stock of Southwest Gas Holdings, Inc. The filing states that the Reporting Persons beneficially own 6,032,604 shares, representing approximately 8.38% of the outstanding common stock, based on 71,979,296 shares outstanding as of July 25, 2025. The filing identifies multiple Icahn-affiliated entities and Carl C. Icahn as reporting persons with varying sole or shared voting and dispositive powers over subsets of the position. The statement discloses that on September 25, 2025 Icahn Partners Master Fund LP sold 651,160 shares and Icahn Partners LP sold 848,840 shares, each at $77.91 per share. The amendment otherwise reports no other transactions in the prior 60 days and incorporates prior Schedule 13D definitions.
This Form 4 shows that director Brian E. Sandoval purchased 24 shares of Southwest Gas Holdings, Inc. (SWX) on 09/10/2025 at a price of $78.57 per share. After the transaction he beneficially owned 1,561.972 shares, reported on a Form filed by one reporting person. The filing includes a signature dated 09/11/2025 by Catherine M. Mazzeo, POA.
Karen S. Haller, President and CEO of Southwest Gas Holdings, Inc. (SWX), reported changes in her beneficial ownership on a Form 4. On 09/05/2025 she received 42,157.038 shares at no cost representing settled performance stock units delivered after satisfaction of a performance goal, increasing her reported holdings to 170,405.6678 shares. On the same date she disposed of 16,588.794 shares at $78.60 per share, leaving 153,816.8738 shares directly beneficially owned. The filing also discloses indirect holdings of 2,419.9469 shares in a 401(k) and 996 shares held by her spouse. The Form 4 was signed by a POA on 09/09/2025.
Insider transactions at Southwest Gas Holdings (SWX): Robert J. Stefani, who is identified as SVP/CFO/Controller, reported transactions dated 09/05/2025. He received 12,546.739 shares of common stock at $0 per share upon settlement of performance stock units that vested after achieving the final performance goal. He also disposed of 4,880.807 shares at $78.60 per share. After these transactions the filing reports 37,211.447 shares beneficially owned following the $0 acquisition and 32,330.64 shares following the disposition line. The Form 4 was signed by a POA on 09/09/2025 and includes an explanatory remark that the received shares were settled performance stock units.
Southwest Gas Holdings, Inc. sold 17,250,000 shares of Centuri Holdings common stock at an offering price of $19.50 per share, receiving approximately $325 million net from the underwritten offering and approximately $31 million net from a concurrent private placement, or about $356 million in aggregate proceeds. After the closings, the company owns 27,362,210 Centuri shares, representing approximately 30.9% of Centuri's outstanding common stock, and no longer has a controlling financial interest in Centuri. As a result, Southwest Gas will deconsolidate Centuri, present Centuri's historical results as discontinued operations and account for its remaining interest using the equity method. The company intends to use the proceeds to repay outstanding indebtedness and for general corporate purposes.
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